Top definition
A man who has an ongoing sexual liaison with a married woman at her behest. An especially desirable arrangement for men who want the perks of a girlfriend without the worry of long term commitment.
Feel neglected? Never petted? Sister, you need to get yourself a boy in a box!

Oh Vic, sure I’d leave my husband and breed with him, but he only wants to be my boy in a box.
by gildedprincess August 07, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug